Topeak super tourist uni dx disc pannier rackthis one size fits all aluminium tubular rear rack is equipped with adjustable legs to fit most 24 to 29 wheel mtb and 700c touring bikes with disc brakes this tough tubular rack is designed for heavy duty long distance touring the integrated side bar provides a lower pannier attachment point allowing more space for cargo on top of the rack the mtx quicktrack plate is compatible with any topeak mtx trunkbag mtx rear basket and most other rack